Finite Group Databasebeta

C2×#23754674 #34089933

order19782
automorphism?
homologyAbelianization (H1) = C2×C9 · Schur multiplier (H2) = C1

Aliases

direct productC2×#23754674

Splittings

derived, HallC7×C157 ⋊ C2×C9
HallC2×C7×C157 ⋊ C9
HallC2×C157 ⋊ C7⋊C9
SylowC157 ⋊ C2×C7⋊C9
HallC2×C7 ⋊ C157⋊C9
SylowC7 ⋊ C2×C157⋊C9

Subgroups

subgroupG/H
center, hypercenterC2×C3#15693073
commutator, hypocenterC7×C157C2×C9
FrattiniC3C2×#15693073
Fitting, socle, prime radicalC2×C3×C7×C157C3
cosocleC3×C7×C157C2×C3
LCSG ▷ C7×C157
UCSC1 ◁ C2×C3

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 19782

Conjugacy classes & character table

2214 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19782, 4);